507100 A7 B7 五、發明說明（1 ) [發明所述之技術領域] (請先閱讀背面之注意事項再填寫本頁) 本發明係關於液晶顯示裝置，尤其關於其驅動電路基 板之保持構造。 [以往之技術] 以往之液晶顯示裝置，其驅動電路基板之保持構造以 如第3圖所示者為一般所知。第3圖（a)所示者，係將佈置 在金屬框體11與用以搭載背照光光源的模塑框體（molded frame)17之間的驅動電路基板12，以插入在金屬框體11 與驅動電路基板12之間的導電性之彈性間隔件（spacer)13 予以保持，同時以該間隔件13將驅動電路基板12接地於 金屬框體11。 另於第3圖（b)所示者，係以設在金屬框體1丨之切低 部11c將驅動電路基板12夾在與模塑框體17之間，並以 螺絲16固定驅動電路基板12，同時將驅動電路基板12接 地於金屬框體11。 至於第3圖（c)，其係在金屬框體^設置經剪折加工 而成的切低部lid，而以該切低部lld將驅動電路基板12 經 濟 部 智 慧 財 產 局 員 工 消 費 合 作 社 印 製 夾在與模塑框體17之間，同時將驅動電路基板12接地於 金屬框體11。 、 然而，就上述（a)之保持及接地構造來說，由於需要使 用導電性之彈性間隔件13,致造成零件數目增加，同時導 電性之彈性間隔件13之彈性率也因受熱等而變化，使得驅 動電路基板12與金屬框體n之保持及接地變得不 問題。 貰之 311359 本紙張尺度適用中關家標準（CNS)A4規格⑽x 297公楚 A7507100 A7 B7 V. Description of the invention (1) [Technical Field of the Invention] (Please read the precautions on the back before filling out this page) The present invention relates to a liquid crystal display device, and more particularly to a holding structure of a driving circuit substrate thereof. [Conventional Technology] A conventional liquid crystal display device is generally known as a holding structure of a driving circuit substrate as shown in FIG. 3. As shown in FIG. 3 (a), the driving circuit board 12 is disposed between the metal frame 11 and a molded frame 17 for mounting a backlight light source, so as to be inserted into the metal frame 11. The conductive elastic spacer 13 between the driving circuit substrate 12 and the driving circuit substrate 12 is held, and the driving circuit substrate 12 is grounded to the metal frame 11 by the spacer 13. As shown in FIG. 3 (b), the driving circuit substrate 12 is sandwiched between the driving circuit substrate 12 and the molding frame 17 with the cut-out portion 11c provided in the metal frame 1 丨, and the driving circuit substrate is fixed by screws 16. 12. At the same time, the driving circuit substrate 12 is grounded to the metal frame 11. As shown in FIG. 3 (c), the metal frame ^ is provided with a cut-down portion lid made by cutting and folding, and the circuit board 12 is driven by the cut-out portion 11d. It is printed by the employee ’s consumer cooperative of the Intellectual Property Bureau of the Ministry of Economy The driving circuit board 12 is sandwiched between the molded frame body 17 and the metal frame body 11 while being grounded. However, as for the holding and grounding structure of (a) above, the use of conductive elastic spacers 13 results in an increase in the number of parts, and at the same time, the elasticity of the conductive elastic spacers 13 also changes due to heat and the like. Therefore, the holding and grounding of the driving circuit substrate 12 and the metal frame n become no problem.贳 之 311359 This paper size applies to Zhongguanjia Standard (CNS) A4 size ⑽ 297 公 楚 A7
(請先閲讀背面之注意事項再填寫本頁) 另就（b)之保持及接地構造來說，由於其係以螺絲1 ό 固定驅動電路基板12,當受到衝擊等外力時，驅動電路基 貝J不了此追隨於液晶面板14之舉動（behavior)，使得 應力集中於液晶面板14與驅動電路基板12的連接部之 TCP〇狀載座封裝；Tape carrier package)15，造成脆弱部 位的TCP之斷線而阻礙液晶顯示功能之問題。 至於（e)之保持及接地構造來說，其金屬框體11的切 低部lid之尺寸控制有困難，致造成驅動電路基板ι2與金 屬框體11之保持及接地將變得不確實之問題。 [欲解決之問題] 如上述’任何一種以往之構造，均有驅動電路基板與 金屬框體之接地不確實、零件數目增加、機械性強度下降 等問題存在。 本發明之目的乃在於消除上述以往技術之問題而提供 一種能儘量緩和於驅動電路基板與液晶面板的連接部所產 生之不必要應力，且能確實達成驅動電路基板與金屬框體 間的接地之液晶顯示裝置。 經濟部智慧財產局員工消費合作社印製 [解決問題之手段] 本發明之液晶顯示裝置，係至少具有：金屬框體，供 搭載背照光光源之模塑框體，以及由這些兩框體所保持之 液晶面板驅動用驅動電路基板，其中上述驅動電路基板12 係以形成在上述兩框體中任一方的凸形狀部與形成於另一 方框體的彈性按壓部夾持之，且經由該夾持部使驅動電路 基板接地於金屬框體，同時將驅動電路基板無須加以固定 本紙張尺度適用中國國家標準（CNS)A4規格（21〇 x 297公釐） 2 311359 川/100 A7 B7 五、發明說明（3 ) 下予以保持者。 另外，係將彈性按壓部對於驅動電路基板之接觸部形 成為凸形狀者。 [發明之實施形態] I一實施形熊 第1圖係本發明之第一實施形態之液晶顯示裝置之重 要部分剖面圖。第1圖中，π為具有凸形狀部lla之金屬 框體’ 12為連接於液晶面板之驅動電路基板，I?為供搭載 者照光光源之用的模塑基板，而於此模塑基板1 7上，則以 對應於上述金屬框體的凸形狀部丨i a之狀態設有用以夾持 驅動電路基板12之舌片狀之彈性按壓部丨7a。此彈性按壓 部1 7 a之前端係呈凸形狀，例如半球狀。 依照如上述結構，驅動電路基板12係由具備凸形狀部 lla之金屬框體11，與具備具有彈性之彈性按壓部丨化之 模塑框體17之雙方所夾持，可確實地使驅動電路基板j 2 接地於金屬框體11，並且，藉由模塑框體17之彈性按壓 部17a之彈性便可將驅動電路基板12無須加以固定下予以 保持，因此，驅動電路基板12得以追隨液晶面板之舉動。 第二實施形態 第2圖係顯示本發明之液晶顯示裝置之第二實施形 癌，圖中，11係具有以剪折加工形成為舌片狀，用以施加 彈壓勢能之彈性按壓部llb之金屬框體，12為驅動電路基 板，17為具備設在對應於上述彈性按壓部ub之位置的凸 形狀部17b之模塑框體。 (請先閲讀背面之注咅？· 4 事項再 裝--- 填寫本頁) 經濟部智慧財產局員工消費合作社印製 本紐尺度適财目0家標準（CNS)A4規格（210 X 297公爱） 3 311359 ^71〇〇 經濟部智慧財產局員工消費合作社印製 A7 ' -----— B7 —___五、發明說明（4 ) 依照如上述結構，驅動電路基板12係由具有彈性按壓 部lib之金屬框體與具備凸形狀部17b之模塑框體17 之雙方所夹持，可確實地使驅動電路基板12接地於金屬框 體11，並且，藉由金屬框體11之彈性按壓部llb之彈壓 勢能便可將驅動電路基板12無須加以固定下予以保持 之。 [發明之效果] 如上所述，本發明係將驅動電路基板以凸形狀部與彈 性按壓部之雙方夾持之，並經由金屬框體使之接地，因此 可確實地達成對於金屬框體的驅動電路基板之接地，以實 現液晶顯示裝置之低電磁干擾（EMI ; Electro-Magnetic Interference)化。 再者，由於藉由彈性按壓部之彈壓力，便可將驅動電 路基板無須加以固定下予以保持，因此即使受到衝擊等外 力，驅動電路基板也能追隨液晶顯示面板之舉動，而回避 應力集中於液晶面板與驅動電路基板的連接部之TCP，因 此，可提高性能。 [圖面之簡單說明] 第1圖係本發明之第一實施形態之液晶顯示裝置之重 要部分剖面圖。 第2圖係本發明之第二實施形態之液晶顯示裝置之重 要部分剖面圖。 第3圖（a)至（c)係以往之液晶顯示裝置之重要部分剖 面圖。 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公爱） 4 311359 (請先閱讀背面之注咅？< 4 _事項再 -裝— 填寫本頁) 訂· _ 507100 A7 __B7 五、發明說明（5 ) [符號之說明] 11 金屬框體 11a 凸形狀部 lib 彈性按壓部 12 驅動電路基板 14 液晶面板 15 TCP(帶狀載座封裝） 16 模塑框體 17 模塑框體 17a 彈性按壓部 17b 凸形狀部 (請先閱讀背面之注意事項再填寫本頁) 裝 訂·· 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 5 311359(Please read the precautions on the back before filling in this page.) In terms of the holding and grounding structure of (b), since the drive circuit board 12 is fixed with screws 1, the drive circuit base is exposed to external forces such as impact. J cannot follow this behavior of the LCD panel 14 so that stress is concentrated in the TCP carrier package 15 of the connection portion between the LCD panel 14 and the driving circuit substrate 12; the tape carrier package 15 causes the TCP in the fragile part to break. Line and hinder the liquid crystal display function. As for the holding and grounding structure of (e), it is difficult to control the size of the cut-down part lid of the metal frame 11, which causes the problem that the holding and grounding of the driving circuit substrate ι2 and the metal frame 11 will become inaccurate. . [Problems to be Solved] As with any of the above-mentioned conventional structures, there are problems such as improper grounding of the driving circuit board and the metal frame, an increase in the number of parts, and a decrease in mechanical strength. The purpose of the present invention is to eliminate the above-mentioned problems of the prior art and provide a method that can alleviate unnecessary stress generated at the connection portion between the driving circuit substrate and the liquid crystal panel, and can reliably achieve the grounding between the driving circuit substrate and the metal frame. Liquid crystal display device. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs [Methods for Solving Problems] The liquid crystal display device of the present invention has at least: a metal frame, a mold frame for carrying a backlight light source, and held by these two frames A driving circuit substrate for driving a liquid crystal panel, wherein the driving circuit substrate 12 is sandwiched between a convex portion formed on one of the two frames and an elastic pressing portion formed on the other frame, and is held by the clamping. The driver circuit substrate is grounded to the metal frame, and the driver circuit substrate does not need to be fixed at the same time. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (21 × 297 mm) 2 311359 Sichuan / 100 A7 B7 V. Description of the invention (3) Holders. Further, the contact portion of the elastic pressing portion with respect to the driving circuit board is formed into a convex shape. [Embodiments of the Invention] I. First Embodiment Figure 1 is a sectional view of an important part of a liquid crystal display device according to a first embodiment of the present invention. In the first figure, π is a metal frame having a convex portion 11a, 12 is a driving circuit substrate connected to a liquid crystal panel, and I? Is a molding substrate for a light source for a driver, and here, the molding substrate 1 7, a tongue-like elastic pressing portion 7a for clamping the driving circuit board 12 is provided in a state corresponding to the convex shape portion ia of the metal frame body. The front end of the elastic pressing portion 17a is convex, for example, hemispherical. According to the above structure, the driving circuit substrate 12 is sandwiched between the metal frame 11 having the convex-shaped portion 11a and the molded frame 17 having the elastic pressing portion with elasticity, so that the driving circuit can be surely made. The substrate j 2 is grounded to the metal frame 11, and the driving circuit substrate 12 can be held without being fixed by the elasticity of the elastic pressing portion 17 a of the molding frame 17. Therefore, the driving circuit substrate 12 can follow the liquid crystal panel. Move. Second Embodiment FIG. 2 shows a second embodiment of the liquid crystal display device of the present invention. In the figure, 11 is a metal having an elastic pressing portion 11b formed by cutting and folding into a tongue shape to apply elastic potential energy. The frame, 12 is a drive circuit board, and 17 is a molded frame having a convex portion 17b provided at a position corresponding to the elastic pressing portion ub. (Please read the note on the back first? · 4 items before reloading --- fill in this page) Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, this New Zealand Standard (CNS) A4 Standard (210 X 297) Love) 3 311359 ^ 71〇〇 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 '------ B7 —___ V. Description of the invention (4) According to the above structure, the driving circuit substrate 12 is made of flexible The metal frame body of the pressing portion lib and the mold frame body 17 having the convex portion 17 b are sandwiched between the metal frame body 11 and the driving circuit board 12 to be reliably grounded to the metal frame body 11. The driving potential of the pressing portion 11b can hold the driving circuit substrate 12 without fixing it. [Effects of the Invention] As described above, the present invention clamps the driving circuit board with both the convex portion and the elastic pressing portion, and grounds it through the metal frame. Therefore, the metal frame can be reliably driven. The circuit substrate is grounded to achieve low electromagnetic interference (EMI; Electro-Magnetic Interference) of the liquid crystal display device. Furthermore, since the driving circuit board can be held without being fixed by the elastic pressure of the elastic pressing part, the driving circuit board can follow the behavior of the liquid crystal display panel even under external force such as impact, and avoid stress concentration. The TCP of the connection portion between the liquid crystal panel and the driving circuit substrate can improve performance. [Brief description of the drawings] Fig. 1 is a cross-sectional view of an important part of a liquid crystal display device according to a first embodiment of the present invention. Fig. 2 is a sectional view of an important part of a liquid crystal display device according to a second embodiment of the present invention. 3 (a) to (c) are cross-sectional views of important portions of a conventional liquid crystal display device. This paper size applies to China National Standard (CNS) A4 specifications (210 X 297 public love) 4 311359 (Please read the note on the back? & 4 Explanation of the invention (5) [Explanation of symbols] 11 Metal frame 11a Convex portion lib Elastic pressing portion 12 Drive circuit board 14 Liquid crystal panel 15 TCP (Tape carrier package) 16 Molded frame 17 Molded frame 17a Elastic pressing part 17b Convex shape part (Please read the notes on the back before filling this page) Binding ·· Printed by the Intellectual Property Bureau Staff Consumer Cooperatives of the Ministry of Economic Affairs The paper size is applicable to China National Standard (CNS) A4 (210 X 297) Centimeters) 5 311359